ResearchRouting table, looking glass, RPKI & IRR

137.165.0.0/17 Williams College

Announced by AS11399 Williams College. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 137.165.0.0/17

Prefix
137.165.0.0/17
Origin
AS11399 WILLIAMSCOLLEGE
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 137.165.0.0/17 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 6939 11399
OriginAS11399 Williams College
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated5d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 11399
OriginAS11399 Williams College
Origin codeIGP
Communities903:900 903:13760
Updated6d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11399
OriginAS11399 Williams College
Origin codeIGP
Communities36295:100
Updated6d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11399
OriginAS11399 Williams College
Origin codeIGP
Communitiesnone
Updated6d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 27552 11399
OriginAS11399 Williams College
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 22h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS11399 to originate 137.165.0.0/17 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
137.165.0.0/17/24AS11399 WILLIAMSCOLLEGEARIN
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
137.165.0.0/17AS11399 WILLIAMSCOLLEGEALTDBProxy-registered route objectMAINT-TOWARDEX
137.165.0.0/17AS11399 WILLIAMSCOLLEGEARIN880 Main Street Williamstown MA 01267 United StatesMNT-WCC-6-Z
137.165.0.0/17AS11399 WILLIAMSCOLLEGELEVEL3Proxy-registered route objectMAINT-TOWARDEX
137.165.0.0/17AS11399 WILLIAMSCOLLEGERADBProxy-registered route objectMAINT-AS27552
Tools

Check 137.165.0.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API